Mrthfx

I want to use an image (in which chapter name is written) in place of where the chapter name is. But chapter name is required in TOC as text.

Following code give a blank page before the chapter title image.
Thanks for all the help :)
MWE

documentclass[12pt,a4paper,fleqn,openany,twoside]{book}

%

usepackage{subfiles}

usepackage{TB_bookstyle}

%%%%%

%

begin{document}

%

newgeometry{textwidth=paperwidth, textheight=paperheight, noheadfoot, nomarginpar}

chapter*{tiny{color{white}{Messages}}}

addcontentsline{toc}{chapter}{Messages}

%addtocounter{chapter}{1}

begin{figure}[h]

  centering

    includegraphics[width=1.0textwidth]{./images/Chap_Msgs}

end{figure}

end{document}

Self Made style file:

ProvidesPackage{TB_bookstyle}

%

%%% PAGE DIMENSIONS AND SETTINGS

usepackage{geometry} % to change the page dimensions

geometry{a4paper} % or letterpaper (US) or a5paper or....

%geometry{margin=1.5in} % for example, change the margins to 2 inches all round

geometry{top=0.8in, bottom=0.8in, left=1.0in, right=1.0in}

% geometry{landscape} % set up the page for landscape

%   read geometry.pdf for detailed page layout information

%

%%%%GRAPHICS, FLOATS, SYMBOLS AND MATHS

% support the includegraphics command and options

usepackage{graphicx} 

%usepackage{booktabs} % for much better looking tables

usepackage{floatrow}%for side captions

usepackage[utf8]{inputenc}%for proper characters

% for rotating floats

usepackage{lscape}

%for subfigures and tables

usepackage[font=small,labelfont=bf]{caption}

%usepackage{subcaption}

usepackage[font=footnotesize]{subfig}

usepackage[para,online,flushleft]{threeparttable}

usepackage{array}

usepackage{tabularx}

usepackage{booktabs}

newcolumntype{b}{X}

newcolumntype{s}{>{hsize=.5hsize}X}

usepackage{longtable}%for long tables

%%%

usepackage{amsmath,amssymb}

%%

usepackage[allcolors=black,colorlinks=true]{hyperref}%no boxes for links

usepackage[noabbrev,capitalize]{cleveref}%automatic table /figure before refs

creflabelformat{equation}{#2textup{#1}#3}%remove brackets around eq nos

%%%

usepackage[osf,sc]{mathpazo} %for upright math

usepackage{eulervm}

usepackage{gensymb}

usepackage{textcomp}

usepackage{wasysym} %for per mil sign

usepackage{array} % for better arrays (eg matrices) in maths

usepackage{paralist} 

usepackage{enumitem}% very flexible & customisable lists (eg. enumerate/itemize, etc.)

usepackage{verbatim} % adds environment for commenting out blocks of text & for better verbatim

usepackage{subfig} % make it possible to include more than one captioned figure/table in a single float

usepackage[version=3]{mhchem} % for upright CO2 etc

usepackage{wrapfig}%text wrapped figures/tables

%%

usepackage{calligra}%For cursive font

usepackage[T1]{fontenc}

usepackage{blindtext, color}

definecolor{brown}{rgb}{0.5, 0.2, 0.0}

definecolor{cornellred}{rgb}{0.7, 0.11, 0.11}

definecolor{brown_w}{rgb}{0.65, 0.16, 0.16}

usepackage{titlesec}

%titleformat{chapter*}[hang]{tinybfseries}{thechapterhsptextcolor{white}{|}hsp}{0pt}{tinybfseries}

%titleformat{chapter}[hang]{normalfontLargebfseries}{chaptertitlename thechapter:}{1em}{} 

titlespacing{chapter}{-20pt}{-20pt}{-20pt}

titlespacing{section}{0pt}{0pt}{5pt}

titlespacing{subsection}{0pt}{0pt}{5pt}

titlespacing{subsubsection}{0pt}{0pt}{5pt}

%to stop starting new chapter in new page

usepackage{atbegshi,etoolbox}

%%

%%% HEADERS & FOOTERS

usepackage{fancyhdr} % This should be set AFTER setting up the page geometry

%setlength{headheight}{50pt} 

pagestyle{empty} % options: empty , plain , fancy

%%

%%% ToC (table of contents) APPEARANCE

usepackage[nottoc,notlof,notlot]{tocbibind} % Put the bibliography in the ToC

%%%%

%renewcommand{cftsecfont}{rmfamilymdseriesupshape}

%renewcommand{cftsecpagefont}{rmfamilymdseriesupshape} % No bold!

%usepackage{tocloft} % Alter the style of the Table of Contents

setcounter{tocdepth}{4}

renewcommand{bibname}{References}

%usepackage{bibentry}%for no ref list

%made command

%makeatletter

%newcommand*{toccontents}{@starttoc{toc}}

%makeatother

%renewcommand{contentsname}{}

%%%%%%%

%

%usepackage[colon,authoryear]{natbib}

%

%mytilde

newcommand{mytilde}{raise.17exhbox{$scriptstylemathtt{sim}$}}

%%%